A137593 - OEIS

A137593 as a simple table

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	4
7	1
8	4
9	16
10	12
11	1
12	4
13	16
14	84
15	48
16	1
17	4
18	16
19	156
20	504
21	192
22	1
23	4
24	16
25	156
26	1464
27	3312
28	960
29	1
30	4
31	16
32	156
33	1464
34	14112
35	24720
36	5760
37	1
38	4
39	16
40	156
41	1464
42	24912
43	158640
44	189360
45	34560
46	1
47	4
48	16
49	156
50	1464
51	24912
52	400560
53	1761840
54	1607040
55	241920

[1,1,2,1,4,4,1,4,16,12,1,4,16,84,48,1,4,16,156, 504,192,1,4,16,156,1464,3312,960,1,4,16,156,1464, 14112,24720,5760,1,4,16,156,1464,24912,158640, 189360,34560,1,4,16,156,1464,24912,400560,1761840, 1607040,241920]